2017105705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{128519}}^1$

素因数の和:128640

約数の個数: 16

約数和(自身を含む): 2510766720

約数和(自身を除く): 493661015

約数列:

[1, 5, 43, 73, 215, 365, 3139, 15695, 128519, 642595, 5526317, 9381887, 27631585, 46909435, 403421141, 2017105705]

約数ペア:

[(1, 2017105705), (5, 403421141), (43, 46909435), (73, 27631585), (215, 9381887), (365, 5526317), (3139, 642595), (15695, 128519)]